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Columbite-(Mg)
Type Locality
Muzeinaya pegmatite vein, Gem spinel Deposit, Kukh-i-Lal (Kukhilal; Kuhi-lal), Pyandzh River Valley, Pamir Mts, Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni), Tajikistan
Mineral Data
(Mg,Fe,Mn)(Nb,Ta)
2
O
6
Strunz:
4.DB.35
Physical Properties
Colour:
Black
Crystal System:
Orthorhombic
Hardness:
6.5
Synonyms
Synonyms:
Columbite-Mg, Columbite Mg and Columbite - Mg
